A production line manager wants to determine how well the production line is running. He randomly...

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Statistics

A production line manager wants to determine how well theproduction line is running. He randomly selected 90 items off ofthe assembly line and found that 8 were defective. (Assume allconditions have been satisfied for building a confidence interval).Find the 99% confidence interval.

(0.0234, 0.1099)

(0.0116, 0.1662)

(0.0301, 0.1477)

(0.0396, 0.1382)

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Solution Given thatn 90x 8Point estimate sample proportion x    See Answer
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